-69.72% is the change from 852 to 258
Calculation steps:
[( 258 - 852 ) ÷ 852] x 100 = -69.72%
Formula
Percentage change = [(258 - 852) / 852] x 100
Subtract the new number by the original number
258 - 852 = -594
-594 ÷ 852 = -0.6971830985915493
-0.6971830985915493 x 100 = -69.72%